423122221323 has 12 divisors (see below), whose sum is σ = 611241662200. Its totient is φ = 282051425376.

The previous prime is 423122221321. The next prime is 423122221331. The reversal of 423122221323 is 323122221324.

423122221323 is a `hidden beast` number, since 4 + 2 + 312 + 2 + 2 + 21 + 323 = 666.

It is not a de Polignac number, because 423122221323 - 2¹ = 423122221321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423122221321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2415298 + ... + 2584551.

Almost surely, 2^423122221323 is an apocalyptic number.

423122221323 is a deficient number, since it is larger than the sum of its proper divisors (188119440877).

423122221323 is a wasteful number, since it uses less digits than its factorization.

423122221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009258 (or 5009255 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 423122221323 its reverse (323122221324), we get a palindrome (746244442647).

Subtracting from 423122221323 its reverse (323122221324), we obtain a palindrome (99999999999).

The spelling of 423122221323 in words is "four hundred twenty-three billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty-three".